gnu: go-github-com-go-git-go-git-fixtures-v4: Move to golang-xyz.

* gnu/packages/golang.scm (go-github-com-go-git-go-git-fixtures-v4):
Mover from here ...
* gnu/packages/golang-xyz.scm: ... to here.

Change-Id: Ib7c6ec2817fa7358b8a5afc6f1fe08b628b32fe5

gnu/packages/golang-xyz.scm

@@ -2893,6 +2893,36 @@ Differentiation between text and binary files}.
 @end itemize")
     (license license:expat)))
 
+(define-public go-github-com-go-git-go-git-fixtures-v4
+  (package
+    (name "go-github-com-go-git-go-git-fixtures-v4")
+    (version "4.3.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/go-git/go-git-fixtures")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1d6qs2mzbhz95aflpjh6ijywvb4ys73jvk2v30mickax3gmm2vlw"))))
+    (build-system go-build-system)
+    (arguments
+     (list
+      ;; XXX: panic: runtime error: makeslice: cap out of range
+      #:tests? (target-64bit?)
+      #:import-path "github.com/go-git/go-git-fixtures/v4"))
+    (native-inputs
+     (list go-github-com-stretchr-testify))
+    (propagated-inputs
+     (list go-github-com-go-git-go-billy
+           go-gopkg-in-check-v1))
+    (home-page "https://github.com/go-git/go-git-fixtures/")
+    (synopsis "Fixtures used by @code{go-git}")
+    (description
+     "This package provides fixtures used by @code{go-git}.")
+    (license license:asl2.0)))
+
 (define-public go-github-com-go-kit-log
   (package
     (name "go-github-com-go-kit-log")